Despite BMI z-scores being widely used in cross-sectional and longitudinal analyses of children with severe obesity, a recent study found that BMI z-score functions poorly as an indicator of adiposity among children with severe obesity.

A recent study found that various lifestyle factors, such as eating breakfast and getting enough sleep in childhood could predict body mass index (BMI) in early adolescence. Investigators also found a correlation between an increase in BMI and a decrease in psychosocial well-being.